[WEB-5459] feat(codemods): add function declaration transformer with tests (#8137)

- Add jscodeshift-based codemod to convert arrow function components to function declarations
- Support React.FC, observer-wrapped, and forwardRef components
- Include comprehensive test suite covering edge cases
- Add npm script to run transformer across codebase
- Target only .tsx files in source directories, excluding node_modules and declaration files

* [WEB-5459] chore: updates after running codemod

---------

Co-authored-by: sriramveeraghanta <veeraghanta.sriram@gmail.com>

apps/admin/app/(all)/(dashboard)/layout.tsx

@@ -1,5 +1,4 @@
 "use client";
-
 import { useEffect } from "react";
 import { observer } from "mobx-react";
 import { useRouter } from "next/navigation";
@@ -14,7 +13,7 @@ import type { Route } from "./+types/layout";
 import { AdminHeader } from "./header";
 import { AdminSidebar } from "./sidebar";
 
-const AdminLayout: React.FC<Route.ComponentProps> = () => {
+function AdminLayout(_props: Route.ComponentProps) {
   // router
   const { replace } = useRouter();
   // store hooks
@@ -48,6 +47,6 @@ const AdminLayout: React.FC<Route.ComponentProps> = () => {
   }
 
   return <></>;
-};
+}
 
 export default observer(AdminLayout);